5.NBT.7

Add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.

1. 0.1 less, 0.1 more than 42.6
2. 0.1 less, 0.1 more than 98.1
3. 0.1 less, 0.1 more than 71.9
4. 0.1 less, 0.1 more than 85.3
5. 0.1 less, 0.1 more than 19.9
6. Take Away Tenths
7. Take Away Tenths
8. Take Away Tenths
9. Add A Tenth
10. Add A Tenth
11. 0.1 less, 0.1 more than 40
12. 0.1 less, 0.1 more than 22
13. 0.1 less, 0.1 more than 25.5
14. 0.1 less, 0.1 more than 33.8
15. 10 less, 0.1 more than 80.1
16. Double Up and Add: Double 0.3, add 0.3, add 1
17. Double Up and Add: Double 0.2, add 0.5, add 1
18. Double Up and Add: Double 0.4, add 0.1, add 1
19. Double Up and Add: Double 0.5, add 0.4, add 1
20. Double Up and Add: Double 0.1, add 0.8, add 1
21. Movin' One Up! 0.7+?=1
22. Scoring decimal points: 19.3+2.3=*1.*
23. Scoring decimal points: *3.6+*.2=25.*
24. Scoring decimal points: 1*.2+2.7=*9.*
25. Scoring decimal points: 1*.*+2.5=*0.8
26. Scoring decimal points: 2*.2+1.5=*7.*
27. Use The pattern 1.4+1.5, 10.4+10.5, 104+105
28. Use The pattern 1.2+1.7, 10.2+10.7, 102 107
29. Use The pattern 1.4+1.4, 10.4+10.4, 104+104
30. Use The pattern 1.2+1.3, 10.2+10.3, 102+103
31. Use The pattern 1.2+1.4, 10.2+10.4, 102+104
32. Scoring Decimal Points: Complete vertical algorithm
33. Scoring Decimal Points: Complete vertical algorithm
34. Scoring Decimal Points: Complete vertical algorithm
35. Scoring Decimal Points: Complete vertical algorithm
36. Scoring Decimal Points: Complete vertical algorithm
37. Decimals get together: 6.7+?=10
38. Decimals get together: 5.8+4.2=?
39. Decimals get together: ?+3.7=10
40. Add it up decimals: 26.7+5.4
41. Add it up decimals: 56.7+7.6
42. Add it up decimals:64.6+8.9=73.5
43. Add it up decimals: 36.5+7.9
44. Add it up decimals: 69.4+7.7
45. Ten up: What must be added to 62.3 to make 70?
46. Adding decimals: Write missing numbers in vertical addition of 2-digit numbers with 1 dp
47. Adding decimals: Write missing numbers in vertical addition of 2-digit numbers with 1 dp
48. Adding decimals: Write missing numbers in vertical addition of 2-digit numbers with 1 dp
49. Adding decimals: Write missing numbers in vertical addition of 2-digit numbers with 1 dp
50. Adding decimals: Write missing numbers in vertical addition of 2-digit numbers with 1 dp
51. Add it up: Addition of decimal numbers with regrouping
52. Add it up: Addition of decimal numbers with regrouping
53. Add it up: Addition of decimal numbers with regrouping
54. Add it up: Addition of decimal numbers with regrouping
55. Add it up: Addition of decimal numbers with regrouping
56. Number detectives mystery decimals: 0.02+?, 0.26+?, 0.44+?=1
57. Number detectives mystery decimals: 0.33+?, 0.62+?, 0.84+?=1
58. Number detectives mystery decimals: 0.08+?, 0.15+?, 0.73+?=1
59. Number detectives mystery decimals: 0.29+?, 0.82+?, 0.06+?=1
60. Number detectives mystery decimals: 0.45+?, 0.01+?, 0.22+?=1
61. Double Up and Add - Double 12.2 plus 4
62. Double Up and Add - Double 9.6 plus 2
63. Double Up and Add - Double 5.6 plus 7
64. Ten Up 57.81 to 60
65. Ten Up 63.72 to 70
66. Ten Up 46.98 to 50
67. Ten Up 22.56 to 30
68. Ten Up 15.32 to 20
69. Ten Up 165.83 to 170
70. Ten Up 132.64 to 140
71. Ten Up 113.95 to 120
72. Scoring Decimal Points: 2*.*+14.9 = *8.5
73. Decimal Dropouts : Decimal hundredths totalling 1
74. Decimal Dropouts : Decimal hundredths totalling 1
75. Decimal Dropouts : Decimal hundredths totalling 1
76. Decimal Dropouts : Decimal hundredths totalling 1
77. Decimal Dropouts : Decimal hundredths totalling 1
78. Scoring Decimal Points: *2.4* + 9.*0 = 4*.09
79. Scoring Decimal Points: *4.34 + 7*.0* = 93.*1
80. Scoring Decimal Points: 7.5* + *.*0 = *2.46
81. Scoring Decimal Points: 4.*6 + 3.1* = *.08
82. Scoring Decimal Points: 8.6* + *.91 = 11.*3
83. Scoring Decimal Points: 7.4* + *.68 = 11.*1
84. Scoring Decimal Points: *.16 + 7.9* = 10.*1
85. Scoring Decimal Points: 4.61 + 6.*3 = **.4*
86. Add it up 146.29+11.72
87. Add it up 348.26+56.32
88. Add these three numbers 6.2+1.6+7.2
89. Add these three numbers 4.8+5.2+8.7
90. Add these three numbers 7.3+1.7+8.1
91. Add these three numbers 3.3+2.5+2.7
92. Decimal Drops: 27.* - 15.3 = 1*.3
93. Decimal Drops: 63.* - 4*.6 = *2.2
94. Decimal Drops: 54.* - 37.7 = *7.1
95. Decimal Drops: 48.8 - 2*.* = *9.5
96. Decimal Drops: 81.4 - 22.* = *9.2
97. Spot the Difference: Write the difference between 3 number pairs
98. Spot the Difference: Write the difference between 3 number pairs
99. Spot the Difference: Write the difference between 3 number pairs
100. Spot the Difference: Write the difference between 3 number pairs
101. Spot the Difference: Write the difference between 3 number pairs
102. Tenths Crossing: 40.4-0.5, 63.5-0.6, 30.6-0.7
103. Tenths Crossing: 20.2-0.4, 37.7-0.9, 17.5-0.9
104. Tenths Crossing: 26.5-0.8, 55.5-0.9, 74.3-0.7
105. Tenths Crossing: 44.4-0.8, 38.6-0.7, 23.2-0.5
106. Tenths Crossing: 88.5-0.8, 65.3-0.5, 43.6-0.9
107. Scoring Decimal Points: Complete vertical algorithm
108. Scoring Decimal Points: Complete vertical algorithm
109. Scoring Decimal Points: Complete vertical algorithm
110. Scoring Decimal Points: Complete vertical algorithm
111. Scoring Decimal Points: Complete vertical algorithm
112. Mysteries of 20: Decimals
113. Mysteries of 20: Decimals
114. Mysteries of 20: Decimals
115. Mysteries of 20: Decimals
116. Mysteries of 20: Decimals
117. How Much More? 9>8.6, 6>5.7, 4>3.3?
118. Subtraction Chains: 14.8 -2-0.6-0.1, ?-5=20.4,-0.2-5
119. Subtraction Chains: ?-4=12.6,-0.5-2, ?-5=15.5,-3-0.2
120. Subtraction Chains: ?-4=14.7,-0.3-4.4, ?-5=11.9,-0.1-0.7
121. Scoring Decimal Points: Write missing numbers in vertical addition of decimal numbers
122. Scoring Decimal Points: Write missing numbers in vertical addition of decimal numbers
123. Scoring Decimal Points: Write missing numbers in vertical addition of decimal numbers
124. Scoring Decimal Points: Write missing numbers in vertical addition of decimal numbers
125. Scoring Decimal Points: Write missing numbers in vertical addition of decimal numbers
126. Scoring Decimal Points: Write missing numbers in vertical addition of decimal numbers
127. Number Detectives: Subtracting decimals
128. Number Detectives: Subtracting decimals
129. Number Detectives: Subtracting decimals
130. Double, Double: Double 16.3, 163
131. Double, Double: Double 123, 12.3
132. Same or Different: Click all the boxes with the same answer.
133. Same or Different: Click all the boxes with the same answer.
134. Same or Different: Click all the boxes with the same answer.
135. Multi-Multiplication: 11.3x4, x0.4, x5, x0.5
136. Multi-Multiplication: 12.3x5, x0.5, x4, x0.4
137. Double up: Double 136, 13.6
138. Double up: Double 6.3, 63
139. Division Chains
140. Division Chains
141. The Great Divide: Complete each division sentence
142. The Great Divide: Complete each division sentence
143. The Great Divide: Complete each division sentence
144. Up And Up: 1.6+0.7
145. Up And Up: 1.7+1.1
146. Up And Up: 1.9+0.3
147. Up And Up: 1.5+0.4
148. Up And Up: 1.7+0.4
149. Up And Up: 11.2+4.5
150. Up and Up: 13.4+6.3
151. Movin' One Up! 0.1+?=1
152. Movin' One Up! 0.5+?=1
153. Movin' One Up! 0.2+?=1
154. Movin' One Up! 0.4+?=1
155. How Much Less? 1.2<2, 15.5<16, 3.8,4?
156. How Much Less? 11.6<12, 13.7<14, 7.5<10?
157. How Much More? 7>6.5, 1>0.2, 10>4.8
158. How Much More? 20>19.4, 12>11.8, 10>6.5?
159. Movin' On Up! 13.7+?=16
160. Decimal Descent: Difference between 2 decimal numbers (same no.dec. plces)
161. Decimal Descent: Difference between 2 decimal numbers (same no.dec. plces)
162. Decimal Descent: Difference between 2 decimal numbers (same no.dec. plces)
163. Decimal Descent: Difference between 2 decimal numbers (same no.dec. plces)
164. Decimal Descent: Difference between 2 decimal numbers (same no.dec. plces)
165. Decimal Descent: Difference between 2 decimal numbers (same no.dec. plces)
166. Movin' On Up! 13.9+?=16
167. Movin' On Up! 12.5+?=15
168. Movin' On Up! 11.2+?=14
169. Movin' On Up! 15.8+?=18
170. Up and Up: 11.8+1.9
171. Up and Up: 13.2+2.9
172. Up and Up: 10.8+6.8
173. Up and Up: 12.7+4.4
174. Up and Up: 13.3+5.8
175. Decimals get together: 7.6+?=10
176. Decimals get together: 2.7+7.3=?
177. Decimals get together: ?+1.1=10
178. Decimals get together: 5.4+?=10
179. Decimals get together: 4.7+5.3=?
180. Decimals get together: ?+5.7=10
181. Decimals get together: 3.8+?=10
182. Decimals get together: 3.4+6.6=?
183. Decimals get together: ?+7.1=10
184. Decimals get together: 5.9+?=10
185. Decimals get together: 3.7+6.3=?
186. Decimals get together: ?+6.7=10
187. Product launch: 8x0.6
188. Product launch: 9x0.4
189. Product launch: 15x0.3
190. Product launch: 9x0.9
191. Product launch: 4x6.3
192. Product launch: 4x8.2
193. Product launch: 5x6.1
194. Product launch: 3x0.8
195. Up and Up: 3.8+2.6=?
196. Up and Up: 21.4+4.5=?
197. Up and Up: 13.4+6.3=?
198. Up and Up: 14.4+7.3=?
199. Up and Up: 17.4+6.2=?
200. Up and Up: 16.3+7.5=?
201. Up and Up: 13.4+5.4=?
202. Ten up: What must be added to 34.4 to make 40?
203. Ten up: What must be added to 18.3 to make 20?
204. Ten up: What must be added to 46.5 to make 50?
205. Ten up: What must be added to 26.8 to make 30?
206. Tenths Tournament: 0.5 less than 7.5
207. Tenths Tournament: 1- 0.6
208. Tenths Tournament: Take 0.5 from 0.9
209. Tenths Tournament: 6.9 minus 0.4
210. Tenths Tournament: 1- 0.5
211. Tenths Tournament: 8.3 plus 0.2
212. Tenths Tournament: 1- 0.1
213. Tenths Tournament: 0.6 more than 5.3
214. Tenths Tournament: Add 0.4 to 4.3
215. Tenths Tournament: 1- 0.7
216. Tenths Tournament: 6.1 + 0.8
217. Tenths Tournament: 0.1 less than 9.4
218. Tenths Tournament: Take 0.4 from 1.8
219. Tenths Tournament: 1- 0.8
220. Tenths Tournament: 1- 0.2
221. Head Quarters: One half & one fourth of 14.4
222. Head Quarters: One half & one fourth of 20.8
223. Number Detectives: Subtracting decimals
224. Running the race: Addition and subtraction of distances
225. Use the Pattern: Subtract
226. Use the Pattern: Subtract
227. Use the Pattern: Subtract
228. Use the Pattern: Subtract
229. Use the Pattern: Subtract
230. Use the Pattern: Subtract
231. Number Detectives: Subtracting decimals
232. Changing Numbers: 25.46 x10, x.01, +1,010, ÷0.1